The diameter of a capillary tube is 0.4 ...

The diameter of a capillary tube is `0.4 xx 10^(-3)m`. It is held vertically in a liquid whose density is `0.8 xx 10^(3) "kgm"^(-3)` and the surface tension is `9.8 xx 10^(-2) "Nm"^(-1)`. Determine the height to which the liquid will rise in the tube. Given`g=9.8 "ms"^(-2)` and angle of contact is zero.

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The correct Answer is:

`(12.5 cm)`

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